2+2=

(a)  

1+3=

(a)  

2+2=

(a)  

6+1=

(a)  

2+2=

(a)  

9+0=

(a)  

2+2=

(a)  

0+2=

(a)  

1+7=

(a)  

2+2=

(a)  

1+2=

(a)  

2+2=

(a)  

3+0=

(a)  

2+2=

(a)  

1+1=

(a)  

2+2=

(a)  

8+1=

(a)  

7+1=

(a)  

1+4=

(a)  

2+2=

(a)  

0+4=

(a)  

9+1=

(a)  

2+2=

(a)  

5+1=

(a)